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My hardware is 2+ years old (see signature). With lots of eye candy and heavy weather scenarios, it falls behind the current breed of CPU/GPUs in the market today.

My settings are too high, so I'm slowly trimming them down before new flights in the hunt for a good compromise.

There may be other ancillary reasons in addition to these, but I believe these are the main contributors to the steady long stutters when arriving at my destination. It's a slow process, but it is getting better.

Edit: You will get flagged for not using your full name here in the PMDG forums. Just sayin... ;)

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My hardware is 2+ years old (see signature). With lots of eye candy and heavy weather scenarios, it falls behind the current breed of CPU/GPUs in the market today.

My settings are too high, so I'm slowly trimming them down before new flights in the hunt for a good compromise.

There may be other ancillary reasons in addition to these, but I believe these are the main contributors to the steady long stutters when arriving at my destination. It's a slow process, but it is getting better.

Edit: You will get flagged for not using your full name here in the PMDG forums. Just sayin... ;)

Thank you for replies.

FSUIPC autosave is off. I do notice that I can see WAY more of the horizon in v4. Settings it is then...

BTW, I can't imagine a reality where your system specs are "old."

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LOL... viewed from the perspective of how rapidly computing hardware is advancing, I believe CPUs/GPUs are already "old" technologically after 12 months. I traditionally build a new rig every 2 years so I can try and stay as close to the ragged edge as possible. Since its been 2.5 years since I built this one, to me, it is getting old. Perspective is everything. But, I do understand your point, Jeff.

I hope you find that sweet spot where you can just sit back and enjoy a flight with no performance distractions.

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Here are my current settings, which still currently result in stutters after roughly 4 hours. I have still not discovered the offending combination. I continue to adjust, but no "magic bullet" has revealed itself yet.

I have zero Prepar3D.cfg tweaks except adding "TextureMaxLoad=36" to the [Display] section. This is supposed to help with scenery buildings turning black when you look away, and then popping back with the correct textures when you look back at them. Too soon to see it this setting works since I just made that change yesterday.

Display - Nothing really dialed back here.World - Definite throttling here, especially with LOD radius, texture resolution, and autogen settings.Lighting - I have never enjoyed the look of HDR lighting, so it is disabled. Shadows dialed back for performance.Weather - Nothing out of the ordinary here.Traffic - I use MyTraffic6, and this setting keeps the FPS-stealing AI to a minimum, but still provides adequate immersion.

Hey, Stefan. I am also testing Navigraph's new desktop charts app, but I don't run their SimLink DLL since I have no interest in following my flight's progress on their map. So, for me, that isn't contributing to the problem. Thanks for weighing-in.

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I also get stutters after a number of hours. I have no idea if it is P3D-related, PMDG-related, AS-related etc. I don't really have the patience to turn off one-by-one and try it for hours on end. I save and re-load my flight at TOD, and the stutters go. I know it's not a solution, but if anyone finds one, I'll be interested to hear.

Cheers,

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Hey, Stefan. I am also testing Navigraph's new desktop charts app, but I don't run their SimLink DLL since I have no interest in following my flight's progress on their map. So, for me, that isn't contributing to the problem. Thanks for weighing-in.

Hi Doug,

You don't need to run/use it to get the stutters, just the fact that it loads the dll in the background as a sim process can cause this.
Go to your DLL.xml file and disable or remove the entry to simlink dll.

You can also go to Control Panel, Programs and Features and uninstall the SimLink.

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